“Cryptic mutants” of lac operon make b-galactosidase but still could not grow on lactose means they are essentially Y-

TLS Online TPP Program

#Id: 10323

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 7364

#Unit 5. Developmental Biology

In the absence of Cerberus, Nodal is not activated and thus Pitx2 is not expressed

TLS Online TPP Program

#Id: 1932

#Unit 4. Cell Communication and Cell Signaling

The Three Complement Pathways Converge at the Formation of the C5 Convertase. 

TLS Online TPP Program

#Id: 7876

#Unit 2. Cellular Organization

Mitochondria diameter of 0.5–1μm, dynamic, moving about the cell, constantly changing shape, dividing, & fusing.

TLS Online TPP Program

#Id: 2848

#Unit 13. Methods in Biology

SEC chromatographic technique for the separation of molecules on the basis of their molecular size and shape exploits the molecular sieve properties of a variety of porous materials.